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Light Yellow Powder UV326 - China Suppliers and Factory for CAS 3896-11-5
Product Description
| Chemical name | 2-T-BUTYL-6-(5-CHLORO-2H-BENZOTRIAZOL-2-YL)-4-METHYLPHENOL | ||
| CAS number | 3896-11-5 | ||
| Molecular structure |
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| Product form | Light yellow powder | ||
| Specifications | TEST | SPECIFICATION | |
| Assay (%) | 99.00 min | ||
| Melting point (℃) | 137.00 – 142.00 | ||
| Volatiles (%) | 0.50 max | ||
| Ash (%) | 0.10 max | ||
| Transmittance (%) | |||
| 460 nm | 95.00 min | ||
| 500 nm | 96.00 min | ||
| Application | Yihoo UV326 is a high-performance representative benzotriazole ultraviolet (UV) absorber, featuring stable chemical performance, low toxicity, and strong UV absorption capacity. It is widely applicable to a broad spectrum of fields including photographic materials (e.g., color films, color photographic papers) as well as polymer substrates and exterior protective coatings. | ||
| Package | 20 kg / 25 kg carton | ||
Q
What is Yihoo UV326 and what is its CAS number?
Yihoo UV326 is a high-performance benzotriazole ultraviolet (UV) absorber with the chemical name 2-T-BUTYL-6-(5-CHLORO-2H-BENZOTRIAZOL-2-YL)-4-METHYLPHENOL. Its CAS number is 3896-11-5. It appears as a light yellow powder and is widely used in polymer and coating applications.
Q
What are the key specifications of UV326?
The key specifications of UV326 include: Assay ≥ 99.00%, Melting Point 137–142 °C, Volatiles ≤ 0.50%, Ash ≤ 0.10%, and Transmittance ≥ 95.00% at 460 nm and ≥ 96.00% at 500 nm. These parameters ensure consistent quality and performance in end-use applications.
Q
In which industries or applications is UV326 commonly used?
UV326 is widely applicable across multiple industries. It is commonly used in photographic materials such as color films and color photographic papers, as well as in polymer substrates and exterior protective coatings. Its strong UV absorption capacity makes it suitable for applications that require long-term light stability.
Q
Is UV326 safe to handle? What is its toxicity level?
UV326 is characterized by low toxicity and stable chemical performance, making it suitable for use in a variety of industrial and commercial applications. As with all chemical substances, standard safety precautions and proper handling procedures should be followed. Please refer to the Safety Data Sheet (SDS) for detailed handling guidelines.
Q
What packaging options are available for UV326?
UV326 is available in standard packaging of 20 kg or 25 kg cartons. Custom packaging arrangements may be available upon request. Please contact us for bulk order packaging options and shipping details.
Q
How does UV326 compare to other benzotriazole UV absorbers?
UV326 stands out among benzotriazole UV absorbers due to its high assay purity (≥ 99%), excellent transmittance values, and broad compatibility with polymer substrates and coatings. Its combination of stable chemical performance, low toxicity, and strong UV absorption capacity makes it a preferred choice for applications demanding reliable and long-lasting UV protection.

